219
CDUS45 KRIW 190045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN MAY 18 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 18 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 63 11:46 AM 87 2009 68 -5 72
MINIMUM 46 5:24 AM 32 2017 40 6 34
AVERAGE 55 54 1 53
PRECIPITATION (IN)
TODAY T 0.74 2017 0.07 -0.07 0.00
MONTH TO DATE 0.87 1.15 -0.28 1.40
SINCE MAR 1 3.75 3.00 0.75 2.30
SINCE JAN 1 4.25 3.69 0.56 3.75
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.9 0.7
SINCE MAR 1 18.2 4.3
SINCE JUL 1 30.7 36.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 10 11 -1 12
MONTH TO DATE 212 258 -46 269
SINCE MAR 1 1702 1817 -115 1706
SINCE JUL 1 7049 7695 -646 7290
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 3 0 3 0
SINCE JAN 1 3 0 3 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 42
AVERAGE 60
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 2009
MINIMUM TEMPERATURE (F) 41 31 2003
2019
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 5:47 AM MDT SUNSET 8:34 PM MDT
MAY 19 2025...........SUNRISE 5:46 AM MDT SUNSET 8:35 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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